Dell OptiPlex 780 USFF with 19" Monitor ,WiFi 650MB/s, 320GB HDD, 4GB RAM, USB Mouse & Keyboard, Windows 10 Pro. Used with 1 year Warranty. - Walmart.com
Amazon.com: Dell Optiplex 780 SFF - 3.0Ghz - Core 2 Duo - 120Gb New SSD - 8Gb Ram - DVDRW - Windows 7 pro 64 : Electronics
Dell Optiplex 780 USFF Windows 10 Desktop Computer 3.0GHz 8GB RAM 250GB HD Dual 19" LCD
Dell Optiplex 780 SFF Desktop Intel Core 2 Duo 3 GHZ 16GB RAM 320GB HDD No OS | eBay
Dell Optiplex 780 to replace my parents old pentium powered Inspiron. All I added was RAM and an SSD, but it makes a great family PC. : r/SleepingOptiplex
Almost maxed out salvaged Optiplex 780 SFF : r/pcmods
Refurbished: Dell OptiPlex 780 USFF Desktop Intel Core 2 Duo E8400 3.0GHz 4GB DDR3 RAM 250 GB HD DVD-RW WiFi Bluetooth Microsoft Windows 10 Pro - Newegg.com
Refurbished Dell Optiplex 745 Desktop Computer by RefurbishedPC
Tried upgrading optiplex 780 ram, wont turn on - Dell Community
Refurbished Dell OptiPlex 780-T Desktop PC with Intel Core 2 Duo Processor, 8GB Memory, 2TB Hard Drive and Windows 10 Pro Monitor Not Included (D780C2D8GB2TBW10Pro)
Refurbished Dell Optiplex 780 Small Form Factor Desktop PC with Intel Core 2 Duo Processor, 8GB Memory, 1TB Hard Drive and Windows 10 Pro (Monitor Not Included) - Walmart.com
Dell Optiplex 780 Small Form Factor Desktop for Work & School - Eco Computer Co.
780 DT, GPU and RAM upgrade help? - Dell Community
Dell Optiplex 780 - My First 64 Bit PC with 16GB DDR3 RAM! YAY! - YouTube